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physics.acc-ph2025
Decommissioning and Post-Irradiation Examination of the LHC Beam Dumps
N. Solieri, A. Lund, A. -P. Bernardes +21
The LHC beam dumps are responsible for the safe absorption of the Large Hadron Collider (LHC) particle beams. In 2018, the two 6.4-tonne beam dumps that had been in operation since…
physics.acc-ph2025
Plasma treated metals after H- irradiation and its effect on vacuum breakdown behaviour
C. Serafim, S. Calatroni, F. Djurabekova +9
Vacuum breakdown in accelerator structures is a critical challenge that occurs under high electric fields. In environments subjected to hydrogen ion irradiation or high beam losses…
physics.acc-ph2024
Investigation on different materials after pulsed high field conditioning and low-energy H- irradiation
Catarina Serafim, R. Peacock, S. Calatroni +9
During operation, the radio-frequency quadrupole (RFQ) of the LINAC4 at CERN is exposed to high electric fields, which can lead to vacuum breakdown. It is also subject to beam loss…